He rushes into the class, but now no-one can seem to even see or hear him. He tries to make a noise, knocking books off desks but his hands pass through them. He can't touch anything.

When Liam Chase's forgotten imaginary childhood friend pays him an unexpected visit, his world is turned upside down. It becomes obvious that he is not happy about Liam's lack of thought for him over the years as sinister circumstances begin to unfold at school and at home. How can Liam make everyone see what's really happening before it's too late?

Teen Reads' favourite Cavan Scott returns with a twisted tale for reluctant readers that will send shivers up your spine. Cavan wrote two titles for Badger Learning's first Teen Reads series and is back for more, his passion for encouraging less able readers as evident as ever. You can find out more about Cavan and what inspires his writing by visiting his author page here.